Home / 74,699.39-103,083.27-40,708.76

Finding the Fourth Proportional to 74,699.39, 103,083.27 and 40,708.76

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Solution

The fourth proportional to 74,699.39, 103,083.27 and 40,708.76 is: 56,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,699.39 : 103,083.27 = 40,708.76 : x
  2. Step 2: Convert to fraction form
    74,699.39/103,083.27 = 40,708.76/x
  3. Step 3: Cross multiply
    74,699.39x = 103,083.27 × 40,708.76
  4. Step 4: Simplify right side
    74,699.39x = 4,196,391,430.37
  5. Step 5: Solve for x
    x = 4,196,391,430.37/74,699.39
  6. Step 6: Final answer
    x = 56,177.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.